(mk028)
Hi Bob, I got a question for you. I own a 2004 Cobra and for the last year or so I have been thinking about trading it in and doing exactly the same thing you did. Get a 05 and put a kenne bell in it. The only thing that has kept me from doing it is I an concerned that the stock engine cant handle the extra horsepower without throwing a rod or something. What do you know about this. Is this a big concern? Or is it only a concern above 500 or 600 rwhp. Would it cost a lot to upgrade the engine so I would not have to worry about this? Any info you could give me would be greatly appreciated. Nice run and awsome car!!

(Bob)
Hi mk028,
Thanks for the comment.If you keep the hp around 450 or less should be no problem.I have a custom tune, KB sends a tune with their kit which I used for a couple months with no problem. My tuner who installed many of these S/C's told me if you stay below 450hp & make sure your A/F ratio is in the right range there should be no problem with the rods holding up. Also my rev limit is set at 6500rpm.I run the car hard and could bump the hp up,but I'am planning on upgrading to better short block or putting some forged internals in the stock block. looking for 600hp+. From what I've heard the stock blocks are holding up well with the internal upgrades. You have a awsome car. Do a KB on that snake and you'll have alot more than 450hp and just swap your IRS out for a live axle. If you have any more questions feel free to ask.

(mk028)
It is such a difficult decision for me as far as dumping my IRS for a solid axle. If a only used my car for drag racing it would be a no brainer but I use my car as a daily driver as well. I have been told that on the roads you can deffinately tell a difference between the irs and solid. the irs is much nicer to drive. Also for cornering I have hear two stories. One says the irs is much better the other says there is a minimal if any difference. I know of people who have had good success with putting braces on there half shafts with irs and getting to the low 10's with a kenne bell. what do you think?? Also, why did you go kenne bell instead of whipple? it seems like its about a 50/50 split on opinions on which to go with. Whats your view on it?

(Hector)
Keep the cobra cuz the internals are forged and could handle 600 hp

(mk028)
Ya i did, about 2 months ago I ported by blower and am getting 520rwhp and 2 weeks from now I am getting the 2.6L kenne bell instaled, woo hoo, i cant wait!!

(Hector)
That pony is gonna be killer!!

(ken l)
bob i have 05 gt mustang with kb super charger look me up under 12.552 its a roush mustang stag 1 im trying to get it in the 11s and i was thinking about putting 373 or 410 gears in it but not sure what ones to go with is your you car auto or manual

(ken l)
thanks for the info on the gear i think after talking to ya im going to try going with 390 gears but last week i went back to the track after i got a new custom tune but i only got one good run out of it because my clutch started slipping i gess its time for a performance clutch did you have a problem with misfiring i see you have a boost a spark my performance shop said i mite need one i keeped getting a engine light thats why i had to get a custom tune but every know and then i still get some misfiring when the engine is cold in the morning and the said if i get and engine light from misfiring i might need a kb boost a spark just woundering if you might of run in to this problem i tryed to put octane boost in my fuel and it fowled my plugs but after my new tune i was able to get a better time 12.033 almost in the 11s were i wont to be

(matt)
I have an 04 gt 5 speed with a tork tech supercharger . Is a 373 or 410 gear better

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